The balloons are crafted of durable and strong latex; banners are made of sturdy heavy duty card stock paper and can easily be reused for multiple parties. The decoration kit is extremely easy to assemble, it would be a fun family activity to assemble with your kids and decorate the party. , Package Includes: 1 Happy Birthday Banner, 1 Cake Topper, 20 Cupcake Toppers and 20 Latex Balloons (Mixed colours)